COM20020I-HD SMSC, COM20020I-HD Datasheet - Page 17
COM20020I-HD
Manufacturer Part Number
COM20020I-HD
Description
Network Controller & Processor ICs ARCNET Contrllr
Manufacturer
SMSC
Datasheet
1.COM20020I-HT.pdf
(69 pages)
Specifications of COM20020I-HD
Product
Controller Area Network (CAN)
Number Of Transceivers
1
Data Rate
5 Mbps
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Supply Current (max)
40 mA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Package / Case
TQFP-48
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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SMSC COM20020I 3.3V Rev.E
5Mbps ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM
Figure 3 - Non-Multiplexed, 6801-Like Bus Interface With RS-485 Interface
6801
XTAL1
XTAL2
D0-D7
nIRQ1
nRES
R/nW
nIOS
A0
A1
A2
A7
nPULSE1
nPULSE2
nTXEN
RXIN
GND
N/C
RXIN
nPULSE1
nPULSE2
4, 13, 14
17, 19,
HYC9068 or
DATASHEET
HYC9088
0.47
nRD/nDS
27 pF
uF
nCS
nRESET
nWR/nDIR
D0-D7
A0/nMUX
A1
A2/BALE
nINTR
Page 17
FIGURE C
+
COM20022
10
6
uF
3
+5V
-5V
11
12
10
uF
*Valid for 2.5 Mbps only.
Traditional Hybrid
1/2W
5.6K
1/2W
5.6K
nPULSE1
nPULSE2
Configuration
TXEN
RXIN
GND
27 pF
0.47
uF
Differential Driver
Configuration
0.01 uF
1KV
*
Media Interface
may be replaced
with Figure A, B or C.
75176B or
Equiv.
Revision 09-11-06
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